Residual strain reduction leads to efficiency and operational stability improvements in flexible perovskite solar cells
Sisi He, Sibo Li, Anning Zhang, Guanshui Xie, Xin Wang, Jun Fang, Yabing Qi, Longbin Qiu
Abstract
Efficient and stable flexible perovskite solar cells were fabricated with reduced residual strain by pre-applying strain on the flexible substrate. The flexible cells showed efficiencies of up to 18.7% and operational stability lifetime exceeding 700 h.
Topics & Concepts
Strain (injury)Perovskite (structure)Materials scienceResidualReduction (mathematics)Stability (learning theory)Substrate (aquarium)Residual stressComposite materialChemical engineeringComputer scienceEngineeringMathematicsGeometryMachine learningGeologyMedicineInternal medicineAlgorithmOceanographyPerovskite Materials and ApplicationsChalcogenide Semiconductor Thin FilmsConducting polymers and applications